Records of the Geological Survey of India, Volume 127, Parts 3-4Government of India, 1992 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 186
... thickness , underlain by silt and fine sand sequences . These sediments show higher degree of oxidation . The 1982 flood has been documented by a 40-50 cm thick moderately oxidised , medium to coarse sand with fine sand and silt layers ...
... thickness , underlain by silt and fine sand sequences . These sediments show higher degree of oxidation . The 1982 flood has been documented by a 40-50 cm thick moderately oxidised , medium to coarse sand with fine sand and silt layers ...
Page 221
... thick and is almost devoid of foraminifera and other macro - and micro- fauna . The Zone - II is marked by Globigerina Parabulloides - Globorotalia continuous essemblage . It is 55m ( 201 m to 256 m ) thick and is rich in smaller ...
... thick and is almost devoid of foraminifera and other macro - and micro- fauna . The Zone - II is marked by Globigerina Parabulloides - Globorotalia continuous essemblage . It is 55m ( 201 m to 256 m ) thick and is rich in smaller ...
Page 81
... thick bands of carbonaceous schists and crystalline lime- stones trending in NW - SE to N 60 W - S 60 E direction with steep dips towards both NE and SW directions . The river Lohit follows a major fault at the proposed barrage site ...
... thick bands of carbonaceous schists and crystalline lime- stones trending in NW - SE to N 60 W - S 60 E direction with steep dips towards both NE and SW directions . The river Lohit follows a major fault at the proposed barrage site ...
Contents
Chhotanagpur Gneiss | 8 |
Geological mapping and geochomical survey to the south | 15 |
Singhbhum Belt and North Singhbhum Shear Zone | 22 |
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ABSTRACTS OF PROGRESS Aizawl alignment amphibolite Andaman anomaly apatite ARUNACHAL PRADESH Assam bands bank basin bed rock belt Bihar biotite block boreholes Brahmaputra carbonatite chert chlorite chromite clay conglomerate Dalma deposits depth district drilling east Engineering Geology erosion exposed EXTENDED ABSTRACTS faults field season flood plain folds foliation Formation geochemical GEOLOGICAL MAP geophysical geotechnical investigation gneiss gold grained granite gneiss grey Group of rocks GSI Rec INDEX indicated Irrigation Keonjhar LATERITE limestone lithounits located manganese Manipur Meghalaya metasedimentary mica schist mineral nala occur Orissa OVERVIEW phyllite Plate proposed Purulia quartz quartz veins quartzite Quaternary regional river samples sand sandstone scale schist sector sedimentary sequence shale Shear Zone Shillong Sikkim silt siltstone Singhbhum granite slope soil spillway sq km sq.km stage geotechnical investigation structures sulphides Supergroup surface SURVEY OF INDIA thick tion toposheet traverses trending tunnel ultramafic unconformably upto volcanics West Bengal